103 lines
4.6 KiB
Java
103 lines
4.6 KiB
Java
package com.baiyue.firstleg.service;
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import com.baomidou.mybatisplus.core.toolkit.IdWorker;
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import com.baiyue.common.core.api.ResultCode;
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import com.baiyue.common.core.exception.BizException;
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import com.baiyue.firstleg.dto.CustomerDimensionConfigDtos.InitializeResponse;
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import com.baiyue.firstleg.dto.CustomerDimensionConfigDtos.Response;
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import com.baiyue.firstleg.dto.CustomerDimensionConfigDtos.UpdateRequest;
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import com.baiyue.firstleg.entity.CustomerDimensionConfigEntity;
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import com.baiyue.firstleg.repository.CustomerDimensionConfigRepository;
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import jakarta.annotation.Resource;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.math.BigDecimal;
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/** 管理每个客户唯一的尺寸加边配置，不参与当前订单或计费计算。 */
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@Service
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public class CustomerDimensionConfigService {
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public static final BigDecimal DEFAULT_EDGE_ADDITION_CM = new BigDecimal("2.000");
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private static final String DEFAULT_REMARK = "默认每侧加宽 2cm";
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@Resource
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private CustomerDimensionConfigRepository repository;
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public Response get(long tenantId) {
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CustomerDimensionConfigEntity value = repository.find(tenantId);
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if (value == null) {
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throw new BizException(ResultCode.NOT_FOUND, "客户尺寸计算配置不存在");
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}
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return response(value);
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}
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@Transactional
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public Response update(long tenantId, long operatorId, UpdateRequest request) {
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CustomerDimensionConfigEntity value = repository.find(tenantId);
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if (value == null) {
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throw new BizException(ResultCode.NOT_FOUND, "客户尺寸计算配置不存在");
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}
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if (!value.getVersion().equals(request.version())) {
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throw new BizException(ResultCode.CONFLICT, "尺寸计算配置已被修改，请刷新后重试");
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}
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value.setEdgeAdditionCm(request.edgeAdditionCm());
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value.setRemark(normalizeRemark(request.remark()));
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value.setUpdatedBy(operatorId);
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if (repository.update(value) != 1) {
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throw new BizException(ResultCode.CONFLICT, "尺寸计算配置已被修改，请刷新后重试");
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}
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return response(value);
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}
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@Transactional
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public InitializeResponse initializeDefault(long tenantId, long operatorId, String initializationKey) {
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requireTenant(tenantId);
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String normalizedKey = requireInitializationKey(initializationKey);
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CustomerDimensionConfigEntity existing = repository.find(tenantId);
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if (existing != null) {
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return new InitializeResponse(existing.getId(),
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normalizedKey.equals(existing.getInitializationKey()));
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}
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long id = IdWorker.getId();
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boolean created = repository.insertDefault(id, tenantId, DEFAULT_EDGE_ADDITION_CM,
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DEFAULT_REMARK, normalizedKey, operatorId);
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CustomerDimensionConfigEntity persisted = repository.find(tenantId);
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if (persisted == null) {
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throw new BizException(ResultCode.INTERNAL_ERROR, "客户尺寸计算配置初始化失败");
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}
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boolean ownedByKey = normalizedKey.equals(persisted.getInitializationKey());
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return new InitializeResponse(persisted.getId(), created || ownedByKey);
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}
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@Transactional
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public void compensateDefault(long tenantId, String initializationKey) {
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requireTenant(tenantId);
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String normalizedKey = requireInitializationKey(initializationKey);
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CustomerDimensionConfigEntity existing = repository.find(tenantId);
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if (existing == null || !normalizedKey.equals(existing.getInitializationKey())) return;
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repository.deleteUnchangedDefault(tenantId, existing.getId(), normalizedKey, DEFAULT_EDGE_ADDITION_CM);
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}
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private static Response response(CustomerDimensionConfigEntity value) {
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return new Response(value.getId(), value.getTenantId(), value.getEdgeAdditionCm(), value.getRemark(),
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value.getVersion(), value.getCreatedAt(), value.getUpdatedAt());
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}
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private static String normalizeRemark(String value) {
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if (value == null || value.isBlank()) return null;
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return value.trim();
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}
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private static void requireTenant(long tenantId) {
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if (tenantId <= 0) throw new BizException(ResultCode.BAD_REQUEST, "客户ID无效");
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}
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private static String requireInitializationKey(String value) {
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if (value == null || value.isBlank() || value.trim().length() > 128) {
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throw new BizException(ResultCode.BAD_REQUEST, "初始化幂等键无效");
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}
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return value.trim();
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}
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}
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